Radial spherical plain bearing, requiring maintenance, steel/steel sliding contact surface, metric sizes, DIN ISO 12240-1, dimension series E
Radial spherical plain bearings are designed to accommodate radial and combined radial and axial loads, and also misalignment. The bearing can be relubricated via lubrication holes and an annular groove in both rings.
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 120 mm | Bore diameter |
| D | 180 mm | Outside diameter |
| B | 85 mm | Width inner ring |
| C | 70 mm | Width outer ring |
| dk | 160 mm | Ball diameter |
| a | 6 ° | Tilt angle |
| r1 | 1 mm | Chamfer dimension |
| r2 | 1 mm | Chamfer dimension |
| Cr | 950 kN | Basic dynamic load rating, radial |
| C0r | 4750 kN | Basic static load rating, radial |
| ≈m | 8.00 kg | Weight |
| da min | 129.5 mm | Connection measure inner ring, min. |
| da max | 135.5 mm | Connection measure inner ring, max. |
| Da min | 150 mm | Housing connection diameter, min. |
| Da max | 172 mm | Housing Shoulder diameter, max. |
| ra min | 1 mm | Fillet radius shaft, min |
| rb max | 1 mm | Fillet radius housing, max. |
| Min. | 0.085 mm | Radial clearance |
| Max. | 0.165 mm | Radial clearance |
| dUT | -0.020 mm | Bore diameter,lower tolerance |
| DUT | -0.025 mm | Outside diameter,lower tolerance |
| BUT | -0.20 mm | Inner ring width,lower tolerance |
| CUT | -0.50 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | INA | RBC | AURORA | TORRINGTON | IKO | NTN | LS |
| GE120ES | GE120DO | MB120 | GE120ES | 120FS180 | GE120ES | SA1-120B | GE120ES |
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